Sparking device.



WILLIAM MORSE, OF WEST ORANGE, NEW JERSEY.

SPARKING DEVICE.

Specication of- Letters Patent.

Patented July 31, 1906.

Application led June 7,1902. Serial No. 110,619.

To aZZ whomt may concern,.-

Beit known that I, WILLIAM W. MORSE, a citizen of the United States, residing at West Orange, ANew Jersey, have invented certain new and useful Improvements in Sparking Devices, of which the following is al clear, full, and exact description.`

My invention relates to a sparking device for combustion-engines; and my object is to improve the construction and operation of the same.

My invention will be defined in the claims.

In the drawings, lwhich show the preferred embodiment of m inventin, Figure l is a central section ofthe plug in place in the head of the cylinder. and Fig. 7 is a sectional view showing the position of thel sparking plug with reference to the eXhaust-port.-

In the above referred embodiment, 2 is a part of the headp of the engine-cylinde13 rovided with a screw-threaded holeinto w 'ch .the plug may be screwed. The plug itself preferably, but not necessarily, consists of an externall -screw-threaded shell 1, the lower end of W lch may be provided with legs 19,

forming between them openings 3. A lar e nut 1 may be screwed on the top of the sheIl, andthe lower part of the nut will form a shoulder which may be seated onthe cylinder-head. A sparking terminal4 16, of platinum, may be carried on the end of a screw 15, located in a nut \14 at the lower end ofthe shell, to adjust the position of the same.

4 is a plugof insulating material-such as porcelain or lava, for example`which is provided with a longitudinal bore or hole, and in this bore is a screw-threaded rod 9, which carries at its lower'end another sparking terminal 10. This latter terminal is preferably made of. carbon to increase the size and heat of the spark. `The nut 1 has a deep central o ening 20, and in the internal ulppler edge of this nut is seated a ring 17, whic as a sloping exterior, as seen in Fig. 5, so that it will t ti ht. Inside of this rin is a head 5, preferab y of lignum-vitae or otier wood. v

11 and I3.. are lock-nuts on the screwthreaded' end of rod 9 to adjust the same', and,

12 is a washer.

AIt is well known that the products of combustion are often deposited on the sparking terminals, so that after a while the spark will not pass, and in order to revent this I have so located these termina s in the explosionchamber o f the engine that there will be a Figs. 2 tov 6 show details,

rush of gas past them which will tend to blow the deposited products of combustion off from the terminals, and so keep them clean. By gas I mean to include either` the fuel vapor or the gas which is formed after the eX- plosion has taken place and which latter is often called the exhaust In order to accomplish this result, I `loca te the igniter near a port, through which a rush of gas takes place either into or from the explosioncham-- ber, preferably in front of the exhaustort.

In Fig. 7, 2 is the cylinder, rovide with the eXhaustort 21. The eX aust-passage 22 is closed y avalve 23, which is opened when the piston recedes by piston 24. striking 1pilvoted lever 25 or in any of the ways well own in the art, and it therefore is not more particularly shown. When the exhaust rushes through this port, it will sweep off the products of combustion which mayhave een deposited on the. sparkingV oints and will therefore keep them clean an in proper working condition. i'

It will be observed that there is quite a space between the terminals 10 and 16 and t e sides 19 of the shell, ,which will more thoroughly insulate the terminals, and the sameis true of the space 20.

l Iam aware that manyy changes maybe made in the constructions heretofore described without departing from my invention as claimed, and I therefore do not desire to be limited to the embodiments herein ill-ustrated and described.

What I claim is* l. In a sparking plug in combina-tion, an eXteriorly-screw-threaded tube' having at its lower end a plurality of lateral o enings and a longitudinally-adjustable spar ing terminal opposite said openings, a cup-sha ed nut adapted to be screwed on said tu ve and larger at its bottom than the upper end of said tube to form a shoulder adapted to be seated on an engine, the lower portion of said nut extending inwardly to form an internal shoulder smaller than the interior of said tube, a central plug of insulating material within said tube and seated on said latter shoulder and having a longitudinal perforation, a ring seated in said cup-shaped portion IOO of said nut, and an insulating-plug seated IIO hally, and carrying a second sparking Iterminal at its lower end adjacent to said other terminal.

pluralitj,Y ol" lateral openings and a sparking ternnnal opposite said openings, said shellbeing closed at its lower end, a plug olIv insulating niaterial wit hin said shell and having aI longitudinal bore, a rod passing through said bore and out ol' the top oll said plug and screwthreaded at its upper end and one or more nuts on said screw-tlireads lor adjusting said rod, a sparking terminalczirried by -the lower end of said rod at a distance lroln said other terminal and also opposite saidopeningsin said shell, said rod being insulated `froml said other terminal.

3. A two-part sparking plug consisting of one part provided with a shouldered portion of greater diameter than the opening in the engine-cylinder which is to receive the plug and a second part secured thereto and in use adapted to occupy a position within the said opening, said second part having a closed betteln carrying a sparking` terminal and an open side, an insulating-plug within the upper portion ol" said second part, a second sparking terininal therein, the closed bottom acting as a baille-plate to dellect oil and products of combustion away from the sparking terminals.

1. A two-part sparking plug consisting of one part provided with a shouldered portion oi greater diameter than the opening in the engine-cylinder which is to receive the plug and a second part secured thereto and in use adapted to occupy a position within the said opening, said second part having a closed bottom carrying a sparking terminal raised above the lower end ol said closed bottom and centrally located therein, and an' open side, an insulatingplug within the upper ortion ot said second part, a second spar ting terminal therein, the closed bottoni acting as a baille-plate to dellect oil and products of. combustion away from the sparking terminals.

Signed at New York, N. Y., this 2d day of June, 1902.

VILLIAM W. MORSE.

Wlitnesses: i

EMERSON R. NEWELL, M, V. TORMEY. 

